Used on patriot surface to air missile trailer mounted radar set, nsn 1430014184396. 18.370" overall length 4.490" overall width gasket, air duct non-circular
Used on hatch on aircraft carrier can-68 for ballistic-flight deck, catapult officers emergency cont. station. there are two 3/16 x 45 degree chamfered edges entire length
Used on 1430-01-087-6337. 9.500" overall length gasket, corner seal beveled on a 45 degree angle on one side starting at .12" from the other side the entire length. mil-std-670 suffix z requires resistance to fungus iaw mil-std-180 method 508 strip